nsz Git - libfirm/blob - ir/ir/irargs.c

   1 /*
   2  * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
   3  *
   4  * This file is part of libFirm.
   5  *
   6  * This file may be distributed and/or modified under the terms of the
   7  * GNU General Public License version 2 as published by the Free Software
   8  * Foundation and appearing in the file LICENSE.GPL included in the
   9  * packaging of this file.
  10  *
  11  * Licensees holding valid libFirm Professional Edition licenses may use
  12  * this file in accordance with the libFirm Commercial License.
  13  * Agreement provided with the Software.
  14  *
  15  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  16  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE.
  18  */
  19
  20 /**
  21  * @file
  22  * @brief    Support for libcore IR object output.
  23  * @author   Sebastian Hack
  24  * @version  $Id$
  25  */
  26 #include "config.h"
  27
  28 #include "bitset.h"
  29
  30 #include <ctype.h>
  31
  32 #include "lc_printf.h"
  33 #include "firm_common.h"
  34 #include "irnode_t.h"
  35 #include "entity_t.h"
  36 #include "irloop_t.h"
  37 #include "tv_t.h"
  38 #include "dbginfo_t.h"
  39
  40 /**
  41  * identify a firm object type
  42  */
  43 static int firm_get_arg_type(const lc_arg_occ_t *occ) {
  44         (void) occ;
  45         /* Firm objects are always pointer */
  46         return lc_arg_type_ptr;
  47 }
  48
  49 static int firm_get_arg_type_int(const lc_arg_occ_t *occ) {
  50         (void) occ;
  51         return lc_arg_type_int;
  52 }
  53
  54
  55 static int bitset_get_arg_type(const lc_arg_occ_t *occ) {
  56         (void) occ;
  57         return lc_arg_type_ptr;
  58 }
  59
  60 static int bitset_emit(lc_appendable_t *app,
  61     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  62 {
  63         int res = 2;
  64         bitset_t *b = arg->v_ptr;
  65         bitset_pos_t p;
  66         char buf[32];
  67         const char *prefix = "";
  68
  69         lc_arg_append(app, occ, "[", 1);
  70         bitset_foreach(b, p) {
  71                 int n;
  72
  73                 n = snprintf(buf, sizeof(buf), "%s%d", prefix, (int) p);
  74                 lc_arg_append(app, occ, buf, n);
  75                 prefix = ", ";
  76                 res += n;
  77         }
  78         lc_arg_append(app, occ, "]", 1);
  79
  80         return res;
  81 }
  82
  83 /**
  84  * emit an opaque Firm dbg_info object
  85  */
  86 static int firm_emit_dbg(lc_appendable_t *app,
  87     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
  88 {
  89         char buf[1024];
  90         ir_node *irn = arg->v_ptr;
  91         dbg_info *dbg = get_irn_dbg_info(irn);
  92
  93         ir_dbg_info_snprint(buf, sizeof(buf), dbg);
  94         return lc_arg_append(app, occ, buf, strlen(buf));
  95 }
  96
  97 /**
  98  * Beware: do not set the entity ld_name
  99  */
 100 static const char *get_entity_ld_name_ex(ir_entity *ent) {
 101         if (ent->ld_name)
 102                 return get_entity_ld_name(ent);
 103         return get_entity_name(ent);
 104 }
 105
 106 /**
 107  * emit a Firm object
 108  */
 109 static int firm_emit(lc_appendable_t *app,
 110     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 111 {
 112 #define A(s)    occ->flag_hash ? s " ": ""
 113
 114         void *X = arg->v_ptr;
 115         firm_kind *obj = X;
 116         int i, n;
 117         ir_node *block;
 118         char add[64];
 119         char buf[256];
 120         char tv_buf[256];
 121         ir_entity *ent;
 122
 123         buf[0] = '\0';
 124         add[0] = '\0';
 125
 126         if (! X)
 127                 strncpy(buf, "(null)", sizeof(buf));
 128         else {
 129                 switch (*obj) {
 130         case k_BAD:
 131                 snprintf(buf, sizeof(buf), "BAD");
 132                 snprintf(add, sizeof(add), "[%p]", X);
 133                 break;
 134         case k_entity:
 135                 snprintf(buf, sizeof(buf), "%s%s", A("ent"),
 136                         isupper(occ->conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 137                 snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 138                 break;
 139         case k_type: {
 140                 char type_name[256];
 141                 ir_print_type(type_name, sizeof(type_name), X);
 142                 snprintf(buf, sizeof(buf), "%s%s:%s", A("type"), get_type_tpop_name(X),
 143                          type_name);
 144                 snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 145                 break;
 146         }
 147         case k_ir_graph:
 148                 if (X == get_const_code_irg())
 149                         snprintf(buf, sizeof(buf), "%s<ConstCodeIrg>", A("irg"));
 150                 else
 151                         snprintf(buf, sizeof(buf), "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 152                 snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 153                 break;
 154         case k_ir_node:
 155                 switch (occ->conversion) {
 156                 case 'B':
 157                         block = is_no_Block(X) ? get_nodes_block(X) : X;
 158                         snprintf(buf, sizeof(buf), "%s%s %s", A("irn"),
 159                                  get_irn_opname(block), get_mode_name(get_irn_mode(block)));
 160                         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 161                         break;
 162                 case 'N':
 163                         snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(X));
 164                         break;
 165                 default:
 166                         if (is_Const(X)) {
 167                                 tarval *tv = get_Const_tarval(X);
 168                                 if (tv)
 169                                         tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 170                                 else
 171                                         strncpy(tv_buf, "(NULL)", sizeof(tv_buf));
 172                                 snprintf(buf, sizeof(buf), "%s%s %s<%s>", A("irn"), get_irn_opname(X),
 173                                         get_mode_name(get_irn_mode(X)), tv_buf);
 174                         } else if (is_SymConst_addr_ent(X)) {
 175                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 176                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_SymConst_entity(X)));
 177                         } else if (is_Sel(X)) {
 178                                 snprintf(buf, sizeof(buf), "%s%s %s[%s]", A("irn"), get_irn_opname(X),
 179                                 get_mode_name(get_irn_mode(X)), get_entity_name(get_Sel_entity(X)));
 180                         } else {
 181                                 snprintf(buf, sizeof(buf), "%s%s %s", A("irn"), get_irn_opname(X),
 182                                 get_mode_name(get_irn_mode(X)));
 183                         }
 184                         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 185                 }
 186                 break;
 187         case k_ir_mode:
 188                 snprintf(buf, sizeof(buf), "%s%s", A("mode"), get_mode_name(X));
 189                 break;
 190         case k_tarval:
 191                 tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 192                 snprintf(buf, sizeof(buf), "%s%s", A("tv"), tv_buf);
 193                 break;
 194         case k_ir_loop:
 195                 snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 196                 break;
 197         case k_ir_op:
 198                 snprintf(buf, sizeof(buf), "%s%s", A("op"), get_op_name(X));
 199                 break;
 200         case k_ir_compound_graph_path:
 201                 n = get_compound_graph_path_length(X);
 202
 203                 for (i = 0; i < n; ++i) {
 204                         ent = get_compound_graph_path_node(X, i);
 205
 206                         strncat(buf, ".", sizeof(buf)-1);
 207                         strncat(buf, get_entity_name(ent), sizeof(buf)-1);
 208                         if (is_Array_type(get_entity_owner(ent))) {
 209                                 snprintf(add, sizeof(add), "[%d]",
 210                                         get_compound_graph_path_array_index(X, i));
 211                                 strncat(buf, add, sizeof(buf)-1);
 212                         }
 213                 }
 214                 add[0] = '\0';
 215                 break;
 216         case k_ir_extblk:
 217                 snprintf(buf, sizeof(buf), "ExtBlock");
 218                 snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(get_extbb_leader(X)));
 219                 break;
 220
 221         default:
 222                 snprintf(buf, sizeof(buf), "UNKWN");
 223                 snprintf(add, sizeof(add), "[%p]", X);
 224                 }
 225         }
 226
 227         if (occ->flag_plus)
 228                 strncat(buf, add, sizeof(buf)-1);
 229
 230         return lc_arg_append(app, occ, buf, strlen(buf));
 231
 232 #undef A
 233 }
 234
 235 /**
 236  * emit an ident
 237  */
 238 static int firm_emit_ident(lc_appendable_t *app,
 239     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 240 {
 241         ident *id = (ident *)arg->v_ptr;
 242         const char *p = id ? get_id_str(id) : "(null)";
 243
 244         return lc_arg_append(app, occ, p, strlen(p));
 245 }
 246
 247 /**
 248  * Emit indent.
 249  */
 250 static int firm_emit_indent(lc_appendable_t *app,
 251     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 252 {
 253         int i;
 254         int width  = occ->width > 0 ? occ->width : 1;
 255         int amount = arg->v_int * width;
 256
 257         for (i = 0; i < amount; ++i)
 258                 lc_appendable_chadd(app, (i % width) == 0 ? '|' : ' ');
 259
 260         return amount;
 261 }
 262
 263 /**
 264  * Emit pnc.
 265  */
 266 static int firm_emit_pnc(lc_appendable_t *app,
 267     const lc_arg_occ_t *occ, const lc_arg_value_t *arg)
 268 {
 269         int value = arg->v_int;
 270         const char *p = get_pnc_string(value);
 271
 272         return lc_arg_append(app, occ, p, strlen(p));
 273 }
 274
 275 lc_arg_env_t *firm_get_arg_env(void)
 276 {
 277
 278         static lc_arg_env_t *env = NULL;
 279
 280         static lc_arg_handler_t firm_handler   = { firm_get_arg_type, firm_emit };
 281         static lc_arg_handler_t ident_handler  = { firm_get_arg_type, firm_emit_ident };
 282         static lc_arg_handler_t indent_handler = { firm_get_arg_type_int, firm_emit_indent };
 283         static lc_arg_handler_t pnc_handler    = { firm_get_arg_type_int, firm_emit_pnc };
 284         static lc_arg_handler_t bitset_handler = { bitset_get_arg_type, bitset_emit };
 285         static lc_arg_handler_t debug_handler  = { firm_get_arg_type, firm_emit_dbg };
 286
 287         static struct {
 288                 const char *name;
 289                 char letter;
 290         } args[] = {
 291 #define X(name, letter) {"firm:" name, letter}
 292                 X("type",      't'),
 293                 X("entity",    'e'),
 294                 X("entity_ld", 'E'),
 295                 X("tarval",    'T'),
 296                 X("irn",       'n'),
 297                 X("op",        'O'),
 298                 X("irn_nr",    'N'),
 299                 X("mode",      'm'),
 300                 X("block",     'B'),
 301                 X("cg_path",   'P'),
 302 #undef X
 303         };
 304
 305         size_t i;
 306
 307         if (env == NULL) {
 308                 env = lc_arg_new_env();
 309                 lc_arg_add_std(env);
 310
 311                 lc_arg_register(env, "firm", 'F', &firm_handler);
 312                 for (i = 0; i < sizeof(args)/sizeof(args[0]); ++i)
 313                         lc_arg_register(env, args[i].name, args[i].letter, &firm_handler);
 314
 315                 lc_arg_register(env, "firm:ident",    'I', &ident_handler);
 316                 lc_arg_register(env, "firm:indent",   'D', &indent_handler);
 317                 lc_arg_register(env, "firm:dbg_info", 'G', &debug_handler);
 318                 lc_arg_register(env, "firm:bitset",   'B', &bitset_handler);
 319                 lc_arg_register(env, "firm:pnc",      '=', &pnc_handler);
 320         }
 321
 322         return env;
 323 }